public function articlePreviewAction(Request $request) { $em = $this->get('em'); $router = $this->get('router'); $number = $request->get('id'); $language = $request->get('lang'); $article = $em->getRepository('Newscoop\\Entity\\Article')->getArticle($number, $language)->getOneOrNullResult(); if (!$article) { throw new EntityNotFoundException(); } return new RedirectResponse($this->createArticleLegacyPreviewUrl($article)); }